GMC Sierra 1500 Questions Maintenance & Repair
Rough Idle
Rough idle won't stay running have change elec.spark control, idle air control,plugs,map sensor,tps, and the ecm.. Still running rough but if you unscrew the IAC it idles high but the miss smooths...
Fuse Location For Headlamps
I want to see if my fuse is blown to my headlamps, passenger side. I took off the fuse door however, I do not have my owners manual to tell me which fuse is for the headlamps. I already replaced the...
1991 GMC Sierra P/u
Can someone please help, my pick up is not passing spark. We replaced the fuel pump, fuel pp relay and distrubitor. But the fuel pump is not coming on. It's not pssai g spark to the injectors. I'm...
Brake Light Flashing
On my 91 k1500 the brake light started flashing. Six short and one long. Not abs not equipped. Any thing else come to mind.
When Moving Forward From A Stop Position Rear End Making Rough Noise Almost...
Notice that when truck goes into gear say from a dead stop. The rear end starts vibrating rough like it's slipping out of gear. Afterwards the rest of the gears are fine. It's a4x4 and only thing...
Won't Start
I go to turn over my engine and it just ticks the battery is good what'd my problem?
Heat
I have a 94 GMC Sierra 1500 2wd 4.3 motor, I have replaced heater core 3x thermostat 2x I have put new actuators in it bought new hoses, it's blowing out warm air but not hot, my defrosters aren't ...
Trouble Starting/ Engine Dies Once In Awhile While Stopped At A Light
My truck will start just fine after sitting for awhile (i.e. overnight), but if the engine is shut off and I try to start it back up in 5 minutes, 10 minutes, 30 minutes later, its hard to start and t...
Need Help
my 1997 4by4 starts good idles ok but when u put it in gear u have to feather gas no power pedle to move u step on it it chokes out do u think fuel filter iv cleaned cat with liquor thinner its bette...
What Would Make 5.3 GMC Bog When You Go To Take Off.
My 2010 GMC 5.3 ltr it idles fine but when you hit the gas to go it bogs for a couple seconds then goes. Very un reasureing but then goes. Any ideas???
Need Help 94 Gmc Sierra 1500 4x4
Well my transmission goes into reverse but all other gears just Rev up and don't move forward at your
Speedometer
Speedometer shows that I am going 20 mph faster than I am really going.
My 1995 GMC Sierra 1500 5.7 Model KJ50953 Is Leaking Oil From The Transmiti...
i replace the seal, still leaking how can i fix it
Automatic, Wont Shift Down
My 95 GMC Sierra will only start when I use starting fluid. Then the engine runs high, about 1200 rpm. Usually it's about 900. It's automatic and when I put it in gear it wants to take off. Then ...
Starting
The other day my truck died on the interstate, and would not start back up. Had it towed. It has 55-60 psi at the fuel rail, the only code was after trying to start it the P0340 popped up. Replace...
Why Does My 1996 Sierra Gmc Pickup Hope
Left front of truck hops when I drive it.
1998 Gmc 1500 4.3liter
Truck won't start wants to but won't changed fuel pump, fuel regulator, mass airflow, and checked ignition control and crankshaft sensor
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